分析比较合成纤维长丝线密度试验方法标准新旧版本的区别，并以实例介绍该标准的运用情况。
A new standards of linear density testing method of synthetic filament yarn is analyzed and contrasted against the old one in this paper, and also introduced its application with a practical example.
指出了耐火浇注料单位体积用量与体积密度定义上的区别，介绍了一种测试耐火浇注料单位体积用量的试验方法。
The difference between amount per unit volume and bulk density of refractory castable in definition is pointed out, a testing method of amount per unit volume of refractory castable is introduced.
采用标准试验方法求得筑坝用煤矸石的最大干密度和相应的最优含水量。
Normal test method is employed to explore the relationship between dry density and optimum water content of coal gangue used in daming.
应用推荐